"cmd" modifier to override CGI executable

fixes #6

1 files changed, 19 insertions, 0 deletions

diff --git a/parse.go b/parse.go
index 0fe3f30..d087e95 100644
--- a/parse.go
+++ b/parse.go
@@ -293,6 +293,10 @@ func validateRoute(serverType string, dir *RouteDirective) error {
 		return fmt.Errorf("titan modifier only allowed on gemini{static}")
 	}
 
+	if dir.Modifiers.ExecCmd != "" && !(dir.Type == "cgi" || (dir.Type == "static" && dir.Modifiers.Exec)) {
+		return fmt.Errorf("'cmd' modifier only valid on 'cgi' and 'static...with exec' directives")
+	}
+
 	return nil
 }
 
@@ -410,6 +414,21 @@ func parseModifiers(text string) (Modifiers, string, error) {
 			mod.DirList = true
 		case "exec":
 			mod.Exec = true
+		case "cmd":
+			if sep != " " {
+				return mod, "", errors.New("invalid 'cmd' clause")
+			}
+			text = strings.TrimLeft(text, " \t")
+			idx = strings.IndexAny(text, " \t,")
+			if idx == 0 {
+				return mod, "", errors.New("invalid 'cmd' clause")
+			} else if idx < 0 {
+				mod.ExecCmd = text
+				text = ""
+			} else {
+				mod.ExecCmd = text[0:idx]
+				text = text[idx+1:]
+			}
 		case "extendedgophermap":
 			mod.ExtendedGophermap = true
 		case "autoatom":